/* ============================================================
   Ben Fizik Yapamıyorum
   Tasarım dili: Modern Ed-Tech (Brilliant / Mathigon esinli)
   Disiplin: SADECE bu paletten renk kullan. Başka renk yok.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Fraunces:opsz,wght@9..144,500;9..144,700;9..144,800&display=swap');

:root {
  /* Yüzeyler */
  --bg: #fcfaf5;            /* sıcak warm white */
  --surface: #ffffff;
  --surface-2: #f5f0e2;     /* bölüm ayırıcı için subtle krem */

  /* Tipografi */
  --ink: #0e0c08;
  --ink-2: #5a544a;         /* sıcak gri */
  --ink-3: #908778;
  --border: #ece4d0;
  --border-strong: #d9cfb5;

  /* Marka renkleri — sadece ikisi */
  --mustard: #d4a017;
  --mustard-deep: #9b7510;
  --mustard-soft: #fbeab4;   /* highlighter / pastel zemin */
  --coral: #e26d4f;
  --coral-soft: #ffd5c5;

  --radius: 18px;
  --radius-sm: 12px;
  --radius-lg: 24px;
  --shadow-xs: 0 1px 2px rgba(14,12,8,0.04);
  --shadow-sm: 0 1px 3px rgba(14,12,8,0.06), 0 1px 2px rgba(14,12,8,0.04);
  --shadow:    0 6px 20px rgba(14,12,8,0.06), 0 2px 6px rgba(14,12,8,0.04);
  --shadow-lg: 0 20px 50px rgba(14,12,8,0.10), 0 6px 16px rgba(14,12,8,0.06);
  --maxw: 1160px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: -0.005em;
}

::selection { background: var(--mustard-soft); color: var(--ink); }

a { color: var(--ink); text-decoration: none; font-weight: 500; }
a:hover { color: var(--coral); }
img { max-width: 100%; display: block; }

h1, h2, h3, h4 { font-weight: 700; letter-spacing: -0.025em; line-height: 1.1; color: var(--ink); }

/* Display serif vurgusu (sadece çok seçici yerlerde) */
.serif { font-family: "Fraunces", Georgia, serif; font-weight: 500; font-style: italic; letter-spacing: -0.02em; }

/* ---------- Top nav ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(252,250,245,0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px;
}
.brand {
  display: flex; align-items: center; gap: 12px;
  color: var(--ink); line-height: 1.05;
}
.brand .logo {
  width: 36px; height: 36px;
  border-radius: 8px;
  background: var(--mustard);
  display: grid; place-items: center;
  font-weight: 800;
  color: var(--ink);
  font-size: 1.05rem;
  flex-shrink: 0;
  overflow: hidden;
}
.brand .logo img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.brand .logo img + .logo-fallback { display: none; }
.brand .logo .logo-fallback { display: grid; place-items: center; width: 100%; height: 100%; }
.brand .brand-text { display: flex; flex-direction: column; }
.brand .brand-text > span:first-child {
  font-size: 0.98rem; font-weight: 700;
}
.brand .brand-text small {
  font-size: 0.72rem; font-weight: 500;
  color: var(--ink-2);
  margin-top: 2px;
}
@media (max-width: 520px) {
  .brand .brand-text small { display: none; }
}

.nav-links {
  display: flex; gap: 2px;
  list-style: none; margin: 0; padding: 0;
  flex-wrap: wrap;
}
.nav-links a {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 8px;
  color: var(--ink-2);
  font-weight: 500;
  font-size: 0.94rem;
  transition: color 0.15s, background 0.15s;
}
.nav-links a:hover { color: var(--ink); background: var(--surface-2); }
.nav-links a.active { color: var(--ink); font-weight: 600; }
.nav-links a.active::after {
  content: ""; display: block;
  margin: 5px auto -10px;
  width: 18px; height: 2px;
  background: var(--mustard);
  border-radius: 2px;
}

.menu-toggle {
  display: none;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--ink);
  padding: 9px 14px;
  border-radius: 10px;
  cursor: pointer;
  font-family: inherit; font-weight: 500;
}
@media (max-width: 860px) {
  .menu-toggle { display: inline-block; }
  .nav-links {
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    gap: 0; padding: 10px 14px;
    display: none;
    box-shadow: var(--shadow);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 14px; }
  .nav-links a.active::after { display: none; }
}

/* ---------- Container ---------- */
.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 40px 24px;
}

/* ---------- HERO ---------- */
.hero {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.hero-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 80px 24px 96px;
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 64px;
  align-items: center;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--mustard-deep);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.eyebrow::before {
  content: ""; width: 24px; height: 2px; background: var(--mustard); border-radius: 2px;
}
.hero h1 {
  font-size: clamp(2.2rem, 4.6vw, 3.6rem);
  margin: 20px 0 22px;
  line-height: 1.04;
  letter-spacing: -0.035em;
  font-weight: 800;
}
.hero h1 .quoted {
  font-family: "Fraunces", Georgia, serif;
  font-weight: 500;
  font-style: italic;
  letter-spacing: -0.03em;
  color: var(--ink-2);
  font-size: 0.78em;
  display: block;
  margin-bottom: 4px;
}
.hero h1 .highlight {
  position: relative;
  display: inline-block;
  color: var(--ink);
  z-index: 0;
}
.hero h1 .highlight::before {
  content: "";
  position: absolute;
  left: -4%; right: -4%; bottom: 4px;
  height: 36%;
  background: var(--mustard-soft);
  z-index: -1;
  transform: skewX(-3deg);
}
.hero p.lead {
  font-size: 1.14rem;
  color: var(--ink-2);
  max-width: 520px;
  margin: 0 0 28px;
  line-height: 1.6;
}
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }

.hero-meta {
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
  display: flex; gap: 28px; flex-wrap: wrap;
  font-size: 0.86rem;
  color: var(--ink-3);
  font-weight: 500;
}
.hero-meta strong {
  color: var(--ink);
  font-weight: 700;
  font-size: 1.05rem;
  display: block;
  letter-spacing: -0.02em;
}

.hero-art {
  position: relative;
  aspect-ratio: 5 / 6;
  max-width: 380px;
  width: 100%;
  margin-left: auto;
  border-radius: var(--radius-lg);
  background: var(--mustard);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.hero-art .photo {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: 1;
}
.hero-art .photo-placeholder {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 12px;
  padding: 24px;
  text-align: center;
  color: var(--ink);
  z-index: 1;
}
.hero-art .photo-placeholder .ph-icon {
  font-size: 2.4rem;
  opacity: 0.7;
}
.hero-art .photo-placeholder p {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.5;
  opacity: 0.85;
}
.hero-art .photo-placeholder code {
  background: rgba(14,12,8,0.12);
  padding: 2px 7px;
  border-radius: 6px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.85em;
}
/* Hero kartı rozeti */
.hero-art .badge {
  position: absolute;
  bottom: 16px; left: 16px;
  background: var(--ink);
  color: var(--mustard);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 999px;
  z-index: 3;
}
.hero-art .float-formula {
  position: absolute;
  font-family: "Fraunces", Georgia, serif;
  font-style: italic;
  color: var(--ink);
  opacity: 0.2;
  font-weight: 600;
  z-index: 2;
  pointer-events: none;
}
.hero-art .f-1 { top: 6%; right: 6%; font-size: 1.2rem; }
.hero-art .f-2 { top: 50%; left: 4%; font-size: 1.1rem; transform: rotate(-6deg); }
.hero-art .f-3 { bottom: 7%; right: 8%; font-size: 1rem; transform: rotate(8deg); }

@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; padding: 56px 24px 64px; }
  .hero-art { max-width: 280px; margin: 0 auto; aspect-ratio: 1/1; }
}

/* ---------- Page header ---------- */
.page-head {
  padding: 56px 0 28px;
}
.page-head h1 {
  margin: 0 0 10px;
  font-size: clamp(2rem, 3.8vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}
.page-head p {
  color: var(--ink-2);
  margin: 0;
  max-width: 720px;
  font-size: 1.05rem;
}
.crumbs {
  font-size: 0.84rem;
  color: var(--ink-3);
  margin-bottom: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.crumbs a { color: var(--ink-3); font-weight: 500; }
.crumbs a:hover { color: var(--ink); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.96rem;
  font-family: inherit;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
  line-height: 1;
}
.btn-primary {
  background: var(--ink);
  color: var(--surface);
}
.btn-primary:hover {
  background: var(--coral);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--border-strong);
}
.btn-ghost:hover {
  background: var(--surface-2);
  border-color: var(--ink);
}
.btn:active { transform: translateY(0); }

/* ---------- Section ---------- */
.section { margin-top: 72px; }
.section-head {
  display: flex; align-items: end; justify-content: space-between;
  gap: 20px; margin-bottom: 28px;
  flex-wrap: wrap;
}
.section-head h2 {
  margin: 0;
  font-size: clamp(1.5rem, 2.5vw, 1.85rem);
  font-weight: 800;
  letter-spacing: -0.025em;
}
.section-head .section-sub {
  color: var(--ink-2);
  font-size: 0.98rem;
  max-width: 480px;
  margin: 4px 0 0;
}
.section h2 {
  margin: 0 0 8px;
  font-size: clamp(1.4rem, 2.4vw, 1.75rem);
  font-weight: 800;
  letter-spacing: -0.025em;
}
.section .section-sub { color: var(--ink-2); margin: 0 0 28px; font-size: 1rem; }

/* ---------- Grid ---------- */
.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ---------- Cards (tek yüzey, tek vurgu) ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: all 0.18s ease;
  box-shadow: var(--shadow-xs);
  position: relative;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: var(--border-strong);
}
.card.link { display: block; color: var(--ink); cursor: pointer; }
.card .icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--surface-2);
  display: grid; place-items: center;
  font-size: 1.3rem;
  margin-bottom: 16px;
}
.card h3 {
  margin: 0 0 6px;
  font-size: 1.08rem;
  font-weight: 700;
}
.card p {
  color: var(--ink-2);
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.6;
}
.card .arrow {
  position: absolute;
  top: 24px; right: 24px;
  color: var(--ink-3);
  font-size: 1.2rem;
  transition: transform 0.18s ease, color 0.18s ease;
}
.card:hover .arrow { color: var(--coral); transform: translate(2px, -2px); }
.card .tag {
  display: inline-block;
  font-size: 0.72rem;
  padding: 4px 10px;
  background: var(--surface-2);
  color: var(--ink-2);
  border-radius: 999px;
  margin-bottom: 12px;
  letter-spacing: 0.04em;
  font-weight: 600;
  text-transform: uppercase;
}

/* Tinted cards — hepsi sıcak aileden, çok pale tonlar */
.card-tint-cream { background: #fdf4dd; border-color: #f6e8c0; }
.card-tint-cream .icon { background: rgba(212,160,23,0.14); }

.card-tint-peach { background: #ffe4d4; border-color: #fbcdb4; }
.card-tint-peach .icon { background: rgba(226,109,79,0.16); }

.card-tint-blush { background: #fce4dd; border-color: #f6cfc3; }
.card-tint-blush .icon { background: rgba(226,109,79,0.12); }

.card-tint-sand  { background: #f3ebd8; border-color: #ead9b8; }
.card-tint-sand .icon  { background: rgba(90,84,74,0.10); }

/* ---------- Pill (sadece eyebrow için, az kullan) ---------- */
.pill {
  display: inline-block;
  background: var(--mustard-soft);
  color: var(--mustard-deep);
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ---------- Lesson list ---------- */
.lesson-list { list-style: none; padding: 0; margin: 0; }
.lesson-list li {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 6px;
  background: var(--bg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 0.94rem;
  border: 1px solid transparent;
  transition: all 0.15s;
  cursor: pointer;
}
.lesson-list li:hover {
  background: var(--surface);
  border-color: var(--border);
}
.lesson-list li .meta { color: var(--ink-3); font-size: 0.84rem; font-weight: 500; }

/* ---------- Tabs (pill grup) ---------- */
.tabs {
  display: inline-flex;
  gap: 4px;
  margin-bottom: 28px;
  padding: 4px;
  background: var(--surface-2);
  border-radius: 999px;
  border: 1px solid var(--border);
}
.tab {
  padding: 9px 18px;
  background: transparent;
  border: 0;
  border-radius: 999px;
  color: var(--ink-2);
  font-weight: 600;
  cursor: pointer;
  font-size: 0.9rem;
  font-family: inherit;
  transition: all 0.15s ease;
}
.tab:hover { color: var(--ink); }
.tab.active {
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow-xs);
}

/* ---------- Quiz ---------- */
.quiz {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}
.quiz .q-num {
  color: var(--ink-3);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}
.quiz .question {
  font-size: 1.24rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 20px;
  line-height: 1.4;
  letter-spacing: -0.02em;
}
.quiz .options { display: grid; gap: 10px; }
.quiz .opt {
  text-align: left;
  background: var(--bg);
  border: 1.5px solid var(--border);
  color: var(--ink);
  padding: 15px 18px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font: inherit; font-weight: 500;
  transition: all 0.15s ease;
}
.quiz .opt:hover {
  border-color: var(--ink);
  background: var(--surface);
}
.quiz .opt.correct {
  border-color: var(--mustard);
  background: var(--mustard-soft);
  color: var(--ink);
  font-weight: 700;
}
.quiz .opt.wrong {
  border-color: var(--coral);
  background: var(--coral-soft);
  color: var(--ink);
  font-weight: 700;
}
.quiz .controls {
  margin-top: 20px;
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
}
.quiz .progress {
  height: 6px; background: var(--surface-2); border-radius: 999px; overflow: hidden;
  margin-bottom: 22px;
}
.quiz .progress > span {
  display: block; height: 100%;
  background: var(--ink);
  width: 0%;
  transition: width 0.4s ease;
}
.result {
  text-align: center;
  padding: 40px 24px;
  background: var(--mustard-soft);
  border-radius: var(--radius-lg);
  margin-top: 16px;
}
.result .score {
  font-family: "Fraunces", Georgia, serif;
  font-weight: 700;
  font-size: 3rem;
  color: var(--ink);
  line-height: 1;
  margin: 10px 0;
  letter-spacing: -0.04em;
}

/* ---------- Simulation ---------- */
.sim-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}
.sim-canvas {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  width: 100%;
  display: block;
}
.sim-controls {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 18px;
}
@media (max-width: 620px) { .sim-controls { grid-template-columns: 1fr; } }
.sim-controls label {
  font-size: 0.86rem;
  color: var(--ink-2);
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
}
.sim-controls input[type="range"] {
  width: 100%;
  accent-color: var(--ink);
}
.sim-stats {
  margin-top: 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.88rem;
  color: var(--ink-2);
}
.sim-stats span { color: var(--ink); font-weight: 700; }

/* ---------- Video grid ---------- */
.video-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-xs);
  transition: all 0.18s ease;
}
.video-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.video-card .thumb { aspect-ratio: 16/9; background: #000; }
.video-card .body { padding: 18px 20px; }
.video-card h3 { margin: 0 0 4px; font-size: 1rem; font-weight: 700; }
.video-card p { color: var(--ink-2); font-size: 0.86rem; margin: 0; font-weight: 500; }

/* ---------- Iframe wrappers ---------- */
.iframe-16x9 {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  background: #000;
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.iframe-16x9 iframe {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  border: 0;
}

/* ---------- Details ---------- */
details.card summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--ink);
  list-style: none;
  position: relative;
  padding-right: 24px;
}
details.card summary::after {
  content: "+";
  position: absolute; right: 4px; top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--ink-3);
  transition: transform 0.18s ease;
}
details.card[open] summary::after { content: "−"; }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--border);
  margin-top: 96px;
  background: var(--surface-2);
}
.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 36px 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: space-between;
  color: var(--ink-2);
  font-size: 0.9rem;
  font-weight: 500;
}
.footer a { color: var(--ink-2); font-weight: 500; }
.footer a:hover { color: var(--coral); }

/* ---------- Dark warm section (sıcak temiz koyu) ---------- */
.section-dark {
  background: #1a1612;            /* refined warm near-black */
  color: #f4ecd6;
  border-radius: var(--radius-lg);
  padding: 56px 40px;
  margin-top: 56px;
  position: relative;
  overflow: hidden;
}
.section-dark::before {
  /* sağ üstte yumuşak altın parıltısı */
  content: "";
  position: absolute;
  top: -30%; right: -10%;
  width: 55%; height: 100%;
  background: radial-gradient(ellipse at center, rgba(212,160,23,0.12), transparent 65%);
  pointer-events: none;
}
.section-dark h2 {
  color: #fff;
  margin: 0 0 8px;
  font-size: clamp(1.6rem, 2.6vw, 2rem);
  letter-spacing: -0.025em;
}
.section-dark .section-sub {
  color: rgba(244,236,214,0.65);
  margin: 0 0 28px;
}
/* Koyu üstündeki kartlar: BEYAZ - mücevher gibi parlasın */
.section-dark .card {
  background: var(--surface);
  border: 1px solid rgba(244,236,214,0.10);
  color: var(--ink);
  position: relative; z-index: 1;
  box-shadow: 0 4px 24px rgba(0,0,0,0.25);
}
.section-dark .card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 36px rgba(0,0,0,0.32);
}
.section-dark .card h3 { color: var(--ink); }
.section-dark .card p  { color: var(--ink-2); }

/* Pastel tinted kartlar koyu üstünde de güzel — koru */
.section-dark .card-tint-cream  { background: #fdf4dd; }
.section-dark .card-tint-peach  { background: #ffe4d4; }
.section-dark .card-tint-blush  { background: #fce4dd; }
.section-dark .card-tint-sand   { background: #f3ebd8; }

@media (max-width: 620px) {
  .section-dark { padding: 40px 24px; border-radius: var(--radius); }
}

/* ---------- CTA banner — light mustard (sayfa kapanışı) ---------- */
.cta-banner {
  background: linear-gradient(135deg, #fbeab4, #ffd5c5);
  color: var(--ink);
  border-radius: var(--radius-lg);
  padding: 64px 40px;
  margin-top: 56px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  /* soft formula pattern accent */
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='600' height='400' viewBox='0 0 600 400'><g fill='%231a1612' fill-opacity='0.06' font-family='Georgia, serif' font-style='italic' font-size='22'><text x='40' y='60'>F = ma</text><text x='450' y='80' font-size='20'>E = mc²</text><text x='80' y='320' font-size='18'>v = λf</text><text x='480' y='340' font-size='20'>p = mv</text></g></svg>");
  background-size: 600px 400px;
  background-repeat: repeat;
  pointer-events: none;
}
.cta-banner > * { position: relative; z-index: 1; }
.cta-banner h2 {
  margin: 0 0 14px;
  color: var(--ink);
  font-size: clamp(1.8rem, 3.2vw, 2.4rem);
  letter-spacing: -0.03em;
  line-height: 1.12;
  font-weight: 800;
}
.cta-banner p {
  margin: 0 auto 28px;
  max-width: 540px;
  color: var(--ink-2);
  font-size: 1.05rem;
}
.cta-banner .cta-row {
  display: inline-flex; gap: 12px; flex-wrap: wrap; justify-content: center;
}
.cta-banner .btn-primary { background: var(--ink); color: #fff; }
.cta-banner .btn-primary:hover { background: var(--coral); color: #fff; }
.cta-banner .btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.cta-banner .btn-ghost:hover { background: var(--ink); color: #fff; }

@media (max-width: 620px) {
  .cta-banner { padding: 48px 24px; border-radius: var(--radius); }
}

/* ---------- About page ---------- */
.about-hero {
  display: grid;
  grid-template-columns: 0.7fr 1fr;
  gap: 56px;
  align-items: center;
  padding: 24px 0 16px;
}
@media (max-width: 860px) {
  .about-hero { grid-template-columns: 1fr; gap: 32px; }
}
.about-photo {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  background: var(--mustard);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  max-width: 360px;
  width: 100%;
}
.about-photo .photo {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.about-photo .photo-placeholder {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 12px; padding: 24px;
  text-align: center; color: var(--ink);
}
.about-photo .photo-placeholder .ph-icon { font-size: 2.4rem; opacity: 0.7; }
.about-photo .photo-placeholder p { margin: 0; font-size: 0.92rem; font-weight: 600; opacity: 0.85; }
.about-photo .photo-placeholder code {
  background: rgba(14,12,8,0.12);
  padding: 2px 7px; border-radius: 6px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}

.about-text h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin: 0 0 14px;
  letter-spacing: -0.03em;
  font-weight: 800;
}
.about-text .role {
  color: var(--mustard-deep);
  font-weight: 700;
  font-size: 0.92rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}
.about-text p.bio {
  font-size: 1.08rem;
  line-height: 1.7;
  color: var(--ink-2);
  margin: 0 0 18px;
}
.about-text .social {
  display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px;
}
.about-text .social a {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink);
}
.about-text .social a:hover { border-color: var(--ink); background: var(--surface-2); }

/* Timeline / kariyer */
.timeline { list-style: none; padding: 0; margin: 0; }
.timeline li {
  position: relative;
  padding: 0 0 22px 24px;
  border-left: 2px solid var(--border);
}
.timeline li::before {
  content: "";
  position: absolute;
  left: -7px; top: 4px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--mustard);
  border: 2px solid var(--bg);
}
.timeline li:last-child { border-left-color: transparent; padding-bottom: 0; }
.timeline li h4 {
  margin: 0 0 4px;
  font-size: 1rem;
  font-weight: 700;
}
.timeline li .year {
  font-size: 0.84rem;
  color: var(--ink-3);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.timeline li p { margin: 4px 0 0; color: var(--ink-2); font-size: 0.94rem; }

/* ---------- Pricing / Services ---------- */
.price-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  position: relative;
  transition: all 0.18s ease;
  display: flex; flex-direction: column;
  box-shadow: var(--shadow-xs);
}
.price-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--border-strong);
}
.price-card.featured {
  border: 2px solid var(--ink);
  background: var(--surface);
  box-shadow: var(--shadow);
}
.price-card .badge-featured {
  position: absolute;
  top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--ink);
  color: var(--mustard);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 7px 14px;
  border-radius: 999px;
}
.price-card .price-eyebrow {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mustard-deep);
  margin-bottom: 8px;
}
.price-card h3 {
  font-size: 1.3rem;
  margin: 0 0 8px;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.price-card .price-sub {
  color: var(--ink-2);
  font-size: 0.95rem;
  margin: 0 0 22px;
  line-height: 1.5;
}
.price-card .price-amount {
  font-family: "Fraunces", Georgia, serif;
  font-weight: 700;
  font-size: 2.4rem;
  letter-spacing: -0.03em;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 4px;
}
.price-card .price-amount small {
  font-family: "Plus Jakarta Sans", sans-serif;
  font-weight: 600;
  font-size: 0.94rem;
  color: var(--ink-2);
  letter-spacing: 0;
  margin-left: 4px;
}
.price-card .price-note {
  color: var(--ink-3);
  font-size: 0.84rem;
  margin: 0 0 22px;
  font-weight: 500;
}
.price-card .feature-list {
  list-style: none;
  padding: 0; margin: 0 0 28px;
  flex-grow: 1;
}
.price-card .feature-list li {
  position: relative;
  padding: 9px 0 9px 28px;
  font-size: 0.94rem;
  color: var(--ink);
  border-bottom: 1px solid var(--border);
  line-height: 1.5;
}
.price-card .feature-list li:last-child { border-bottom: 0; }
.price-card .feature-list li::before {
  content: "✓";
  position: absolute;
  left: 0; top: 9px;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--mustard-soft);
  color: var(--mustard-deep);
  display: grid; place-items: center;
  font-size: 0.74rem;
  font-weight: 800;
}
.price-card .feature-list li.muted-feat { color: var(--ink-3); }
.price-card .feature-list li.muted-feat::before {
  content: "−";
  background: var(--surface-2);
  color: var(--ink-3);
}
.price-card .btn { width: 100%; }

/* Compact yardımcı: ikili karşılaştırma */
.compare-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.compare-row > div {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 0.92rem;
}
.compare-row > div:nth-child(-n+4) {
  background: var(--surface-2);
  font-weight: 700;
  color: var(--ink);
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.compare-row > div:nth-last-child(-n+4) { border-bottom: 0; }
@media (max-width: 720px) {
  .compare-row { grid-template-columns: 1fr; }
  .compare-row > div { border-right: 0; }
  .compare-row > div:nth-child(-n+4):not(:first-child) { display: none; }
}

/* ---------- Maarif uyum rozeti ---------- */
.maarif-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--ink);
  color: var(--mustard);
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
  transition: background 0.15s, color 0.15s, transform 0.15s;
}
.maarif-badge:hover {
  background: var(--coral);
  color: #fff;
  transform: translateY(-1px);
}
.maarif-badge::before {
  content: "✓";
  background: var(--mustard);
  color: var(--ink);
  width: 16px; height: 16px;
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: 0.7rem;
  font-weight: 800;
}

/* ---------- Helpers ---------- */
.muted { color: var(--ink-2); }
.center { text-align: center; }
.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }